Home / 126,272.31-174,251.21-69,682.47

Finding the Fourth Proportional to 126,272.31, 174,251.21 and 69,682.47

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Solution

The fourth proportional to 126,272.31, 174,251.21 and 69,682.47 is: 96,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,272.31 : 174,251.21 = 69,682.47 : x
  2. Step 2: Convert to fraction form
    126,272.31/174,251.21 = 69,682.47/x
  3. Step 3: Cross multiply
    126,272.31x = 174,251.21 × 69,682.47
  4. Step 4: Simplify right side
    126,272.31x = 12,142,254,713.29
  5. Step 5: Solve for x
    x = 12,142,254,713.29/126,272.31
  6. Step 6: Final answer
    x = 96,159.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.